<template>
    <div class="app-container">
        <!-- 工具条 -->
        <div class="tools-div">
            <el-button
                type="success"
                icon="el-icon-plus"
                size="mini"
                @click="add()"
                >添 加</el-button
            >
        </div>
        <el-table
            :data="sysMenuList"
            style="width: 100%; margin-bottom: 20px; margin-top: 10px"
            row-key="id"
            border
            :default-expand-all="false"
            :tree-props="{ children: 'children' }"
        >
            <el-table-column prop="name" label="菜单名称" width="160" />
            <el-table-column label="图标">
                <template slot-scope="scope">
                    <i :class="scope.row.icon"></i>
                </template>
            </el-table-column>
            <el-table-column prop="perms" label="权限标识" width="160" />
            <el-table-column prop="path" label="路由地址" width="120" />
            <el-table-column prop="component" label="组件路径" width="160" />
            <el-table-column prop="sortValue" label="排序" width="60" />
            <el-table-column label="状态" width="80">
                <template slot-scope="scope">
                    <el-switch v-model="scope.row.status === 1" disabled="true">
                    </el-switch>
                </template>
            </el-table-column>
            <el-table-column prop="createTime" label="创建时间" width="160" />
            <el-table-column
                label="操作"
                width="180"
                align="center"
                fixed="right"
            >
                <template slot-scope="scope">
                    <el-button
                        type="success"
                        v-if="scope.row.type !== 2"
                        icon="el-icon-plus"
                        size="mini"
                        @click="add(scope.row)"
                        title="添加下级节点"
                    />
                    <el-button
                        type="primary"
                        icon="el-icon-edit"
                        size="mini"
                        @click="edit(scope.row)"
                        title="修改"
                    />
                    <el-button
                        type="danger"
                        icon="el-icon-delete"
                        size="mini"
                        @click="removeDataById(scope.row.id)"
                        title="删除"
                        :disabled="scope.row.children.length > 0"
                    />
                </template>
            </el-table-column>
        </el-table>

        <el-dialog
            :title="dialogTitle"
            :visible.sync="dialogVisible"
            width="40%"
        >
            <el-form
                ref="dataForm"
                :model="sysMenu"
                label-width="150px"
                size="small"
                style="padding-right: 40px"
            >
                <el-form-item label="上级部门" v-if="sysMenu.id === ''">
                    <el-input v-model="sysMenu.parentName" disabled="true" />
                </el-form-item>
                <el-form-item label="菜单类型" prop="type">
                    <el-radio-group
                        v-model="sysMenu.type"
                        :disabled="typeDisabled"
                    >
                        <el-radio :label="0" :disabled="type0Disabled"
                            >目录</el-radio
                        >
                        <el-radio :label="1" :disabled="type1Disabled"
                            >菜单</el-radio
                        >
                        <el-radio :label="2" :disabled="type2Disabled"
                            >按钮</el-radio
                        >
                    </el-radio-group>
                </el-form-item>
                <el-form-item label="菜单名称" prop="name">
                    <el-input v-model="sysMenu.name" />
                </el-form-item>
                <el-form-item
                    label="图标"
                    prop="icon"
                    v-if="sysMenu.type !== 2"
                >
                    <el-select v-model="sysMenu.icon" clearable>
                        <el-option
                            v-for="item in iconList"
                            :key="item.class"
                            :label="item.class"
                            :value="item.class"
                        >
                            <span style="float: left">
                                <i :class="item.class"></i>
                                <!-- 如果动态显示图标，这里添加判断 -->
                            </span>
                            <span style="padding-left: 6px">{{
                                item.class
                            }}</span>
                        </el-option>
                    </el-select>
                </el-form-item>
                <el-form-item label="排序">
                    <el-input-number
                        v-model="sysMenu.sortValue"
                        controls-position="right"
                        :min="0"
                    />
                </el-form-item>
                <el-form-item prop="path">
                    <span slot="label">
                        <el-tooltip
                            content="访问的路由地址，如：`sysUser`"
                            placement="top"
                        >
                            <i class="el-icon-question"></i>
                        </el-tooltip>
                        路由地址
                    </span>
                    <el-input
                        v-model="sysMenu.path"
                        placeholder="请输入路由地址"
                    />
                </el-form-item>
                <el-form-item prop="component" v-if="sysMenu.type !== 0">
                    <span slot="label">
                        <el-tooltip
                            content="访问的组件路径，如：`system/user/index`，默认在`views`目录下"
                            placement="top"
                        >
                            <i class="el-icon-question"></i>
                        </el-tooltip>
                        组件路径
                    </span>
                    <el-input
                        v-model="sysMenu.component"
                        placeholder="请输入组件路径"
                    />
                </el-form-item>
                <el-form-item v-if="sysMenu.type === 2">
                    <el-input
                        v-model="sysMenu.perms"
                        placeholder="请输入权限标识"
                        maxlength="100"
                    />
                    <span slot="label">
                        <el-tooltip
                            content="控制器中定义的权限字符，如：@PreAuthorize(hasAuthority('bnt.sysRole.list'))"
                            placement="top"
                        >
                            <i class="el-icon-question"></i>
                        </el-tooltip>
                        权限字符
                    </span>
                </el-form-item>
                <el-form-item label="状态" prop="type">
                    <el-radio-group v-model="sysMenu.status">
                        <el-radio :label="1">正常</el-radio>
                        <el-radio :label="0">停用</el-radio>
                    </el-radio-group>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button
                    @click="dialogVisible = false"
                    size="small"
                    icon="el-icon-refresh-right"
                    >取 消</el-button
                >
                <el-button
                    type="primary"
                    icon="el-icon-check"
                    @click="saveOrUpdate()"
                    size="small"
                    >确 定</el-button
                >
            </span>
        </el-dialog>
    </div>
</template>

<script>
import api from "@/api/system/sysMenu";
const defaultForm = {
    id: "",
    parentId: "",
    name: "",
    type: 0,
    path: "",
    component: "",
    perms: "",
    icon: "",
    sortValue: 1,
    status: 1,
};
export default {
    // 定义数据
    data() {
        return {
            sysMenuList: [],
            expandKeys: [], // 需要自动展开的项

            typeDisabled: false,
            type0Disabled: false,
            type1Disabled: false,
            type2Disabled: false,
            dialogTitle: "",

            dialogVisible: false,
            sysMenu: defaultForm,
            saveBtnDisabled: false,

            iconList: [
                {
                    class: "el-icon-s-tools",
                },
                {
                    class: "el-icon-s-custom",
                },
                {
                    class: "el-icon-setting",
                },
                {
                    class: "el-icon-user-solid",
                },
                {
                    class: "el-icon-s-help",
                },
                {
                    class: "el-icon-phone",
                },
                {
                    class: "el-icon-s-unfold",
                },
                {
                    class: "el-icon-s-operation",
                },
                {
                    class: "el-icon-more-outline",
                },
                {
                    class: "el-icon-s-check",
                },
                {
                    class: "el-icon-tickets",
                },
                {
                    class: "el-icon-s-goods",
                },
                {
                    class: "el-icon-document-remove",
                },
                {
                    class: "el-icon-warning",
                },
                {
                    class: "el-icon-warning-outline",
                },
                {
                    class: "el-icon-question",
                },
                {
                    class: "el-icon-info",
                },
            ],
        };
    },

    //当页面加载时获取数据
    created() {
        this.fetchData();
    },

    methods: {
        //调用api层获取数据库中的数据
        fetchData() {
            console.log("加载列表");
            api.findNodes().then((response) => {
                this.sysMenuList = response.data;
                console.log(this.sysMenuList);
            });
        },

        //根据id删除数据
        removeDataById(id) {
            // debugger
            this.$confirm("此操作将永久删除该记录, 是否继续?", "提示", {
                confirmButtonText: "确定",
                cancelButtonText: "取消",
                type: "warning",
            })
                .then(() => {
                    // promise
                    // 点击确定，远程调用ajax
                    return api.removeById(id);
                })
                .then((response) => {
                    this.fetchData();
                    this.$message({
                        type: "success",
                        message: response.message,
                    });
                })
                .catch(() => {
                    this.$message.info("取消删除");
                });
        },

        //弹出添加或更新的表单
        add(row) {
            debugger;
            this.typeDisabled = false;
            this.dialogTitle = "添加下级节点";
            this.dialogVisible = true;

            this.sysMenu = Object.assign({}, defaultForm);
            this.sysMenu.id = "";
            if (row) {
                this.sysMenu.parentId = row.id;
                this.sysMenu.parentName = row.name;
                //this.sysMenu.component = 'ParentView'
                if (row.type === 0) {
                    this.sysMenu.type = 1;
                    this.typeDisabled = false;
                    this.type0Disabled = false;
                    this.type1Disabled = false;
                    this.type2Disabled = true;
                } else if (row.type === 1) {
                    this.sysMenu.type = 2;
                    this.typeDisabled = true;
                }
            } else {
                this.dialogTitle = "添加目录节点";
                this.sysMenu.type = 0;
                this.sysMenu.component = "Layout";
                this.sysMenu.parentId = 0;
                this.typeDisabled = true;
            }
        },

        //编辑
        edit(row) {
            debugger;
            this.dialogTitle = "修改菜单";
            this.dialogVisible = true;

            this.sysMenu = Object.assign({}, row);
            this.typeDisabled = true;
        },

        //添加或更新
        saveOrUpdate() {
            if (this.sysMenu.type === 0 && this.sysMenu.parentId !== 0) {
                this.sysMenu.component = "ParentView";
            }
            this.$refs.dataForm.validate((valid) => {
                if (valid) {
                    this.saveBtnDisabled = true; // 防止表单重复提交
                    if (!this.sysMenu.id) {
                        this.save();
                    } else {
                        this.update();
                    }
                }
            });
        },

        //添加
        save() {
            api.save(this.sysMenu).then((response) => {
                this.$message.success(response.message || "操作成功");
                this.dialogVisible = false;
                this.fetchData(this.page);
            });
        },

        //更新
        update() {
            api.updateById(this.sysMenu).then((response) => {
                this.$message.success(response.message || "操作成功");
                this.dialogVisible = false;
                this.fetchData();
            });
        },
    },
};
</script>
